Dom says Chlorhexidine preparations have been established in Europe as the oral antimicrobial of choice for over 30 years, what Curasept has done is really bring it up to date with no more discolouration to teeth, tongue and gums, and gone is the vile taste of traditional preparations. Although SLS-free, it is worth noting that it does contain cocamidopropyl betaine which can still be irritating to some.